king of spain. and on the 22nd of june 15 59 we have margaret of valois, henry iv of france, in 18 of august 15 72,orns, which i think might surprise some people, because it's not often on display, is it? for me, the most important thing, two things, when i was watching it was please, please, the crown of thorns, definitely. but also the two towers. the two towers, you know, they are medieval, and i was like, please, stay strong. the fact that they didn't collapse is a symbol of hope. it's for france, and for notre dame. it is 850 years old, how rare is it in france as an example of great gothic architecture? we have older, you know, but i think that you have to realise that notre dame is at the heart of paris. it's the heart of the city. it's on the river, it is iconic. asa river, it is iconic. as a historian, is that how you explain what seems to be many people's emotional attachment to it? how do you explain the emotion this has generated, as a historian? i think it's because of all the major events that happened there. it's part of the history. victor hugo saved the cathedral with his book, let